4 files changed, 4 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/fdatasync.c b/sysdeps/mach/hurd/fdatasync.c
index 0be8072e7f..68df551016 100644
--- a/sysdeps/mach/hurd/fdatasync.c
+++ b/sysdeps/mach/hurd/fdatasync.c
@@ -41,3 +41,4 @@ fdatasync (int fd)
     }
   return 0;
 }
+libc_hidden_def (fdatasync)
diff --git a/sysdeps/mach/hurd/fsync.c b/sysdeps/mach/hurd/fsync.c
index ef04ee97f9..c1d560f293 100644
--- a/sysdeps/mach/hurd/fsync.c
+++ b/sysdeps/mach/hurd/fsync.c
@@ -41,3 +41,4 @@ fsync (int fd)
     }
   return 0;
 }
+libc_hidden_def (fsync)
diff --git a/sysdeps/unix/sysv/linux/fdatasync.c b/sysdeps/unix/sysv/linux/fdatasync.c
index 84c07f212e..12fb3c13e5 100644
--- a/sysdeps/unix/sysv/linux/fdatasync.c
+++ b/sysdeps/unix/sysv/linux/fdatasync.c
@@ -27,3 +27,4 @@ fdatasync (int fd)
 {
   return SYSCALL_CANCEL (fdatasync, fd);
 }
+libc_hidden_def (fdatasync)
diff --git a/sysdeps/unix/sysv/linux/fsync.c b/sysdeps/unix/sysv/linux/fsync.c
index 234bb0049f..e4b5c8c342 100644
--- a/sysdeps/unix/sysv/linux/fsync.c
+++ b/sysdeps/unix/sysv/linux/fsync.c
@@ -26,3 +26,4 @@ fsync (int fd)
 {
   return SYSCALL_CANCEL (fsync, fd);
 }
+libc_hidden_def (fsync)